詳細分析

import suneditor from 'suneditor';

// 1. Import the built-in theme CSS
import 'suneditor/src/themes/dark.css';

// 2. Pass theme name to options
const editor = suneditor.create(textarea, {
  theme: 'dark', // 'dark' | 'midnight' | 'cobalt' | 'cream'
});

// 3. Change theme at runtime
editor.$.ui.setTheme('midnight');
editor.$.ui.setTheme('');  // Reset to default

// Import your custom theme CSS
import './my-theme.css';

const editor = suneditor.create(textarea, {
  theme: 'ocean',  // Must match the class name: se-theme-ocean
});